/**
 * Helper for wiring the `compact` action of an {@link ExtensionContext}.
 *
 * Extension-facing APIs accept `string | CompactOptions`, but `AgentSession.compact`
 * takes two positional arguments `(instructions, options)`. This helper splits the
 * union so the same adapter can be reused by print, SDK, ACP, and executor callers.
 */
import type { Model } from "@gajae-code/ai/core";
import type { CompactOptions } from "./types";
interface CompactableSession {
    compact(instructions?: string, options?: CompactOptions): Promise<unknown>;
}
export declare function runExtensionCompact(session: CompactableSession, instructionsOrOptions: string | CompactOptions | undefined): Promise<void>;
interface SetModelCapableSession {
    credentialSessionId?: string;
    modelRegistry: {
        getApiKey(model: Model, sessionId?: string): Promise<string | undefined>;
    };
    setModel(model: Model, role?: string, options?: {
        cause?: string;
    }): Promise<unknown>;
    /** Persist effective profile roles and clear its marker for a concrete default selection. */
    materializeActiveDefaultModelProfileAssignment?(model: Model): boolean;
    /** Drop a session-only profile marker and its runtime role overrides. */
    clearSessionOnlyModelProfileState?(): void;
    /** Fallback marker clear for legacy session adapters. */
    setActiveModelProfile?(name: string | undefined): void;
}
/**
 * Helper for wiring the `setModel` action of an {@link ExtensionContext}.
 *
 * Returns false when no API key is available for the requested model.
 */
export declare function runExtensionSetModel(session: SetModelCapableSession, model: Model): Promise<boolean>;
export {};